A lifeguard walks on La Concha beach in the Spanish Basque city of San Sebastian, on June 21, 2026, first day of the first official heatwave of this summer. Spain's first official heatwave of this summer begins today and will last until at least June 24, 2026. The State Meteorological Agency (Aemet), the body responsible for declaring these types of episodes when they meet specific criteria regarding intensity, duration, and territorial extension, activated a special weather warning two days ago. (Photo by ANDER GILLENEA / AFP)